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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Banded iron formation
Basalt drill core
Basalt drill core
Basalt drill core
Chabazite
Gypsum
Lost City meteorite
Olivine-basalt drill core
Olivine-gabbro
Paragould
Peridotite xenoliths in basalt
Prehnite
Quartz (var. agate)
Smithsonites
Sphalerite
Success meteorite
Uncle Sam Diamond
Unusual Gems
Unusual Gems
Yellow diamond crystal
Zincite
Zincite
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